we are making ebb flow gardening system iot PROJECT in which my role is to install and controll the lighting system so could please tell what i am going to cover in this role if i need to build any circuit please guide me step by step to build that circuit on breadboard NOTE i am not going to use any timer in my circuit i need a arduino code to controll the lights and i have to use delays in code or cron to schedule to turn on the lights please write that code for arduino as wells and explain me about lighting system